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Fresno County, California Flood Zones

Check an Address in Fresno County

Enter any address in Fresno County, California to see its FEMA flood zone

The Flooding Character of Fresno County

Fresno County experiences frequent flooding events, with 312 flood events and 32 flash flood events recorded in the last 30 years. Recent examples include nuisance flooding reported on February 13, 2025, associated with a large upper low-pressure system that brought widespread precipitation and strong winds. Another event on February 6, 2025, saw widespread precipitation across the area as a low-pressure system moved inland, with higher elevations of the Sierra Nevada receiving significant liquid precipitation.

National Flood Insurance Program (NFIP) claims data indicates that properties in Zone A and Zone X_UNSHADED have experienced significant payouts and water depths, averaging over $10,000 and nearly 2 feet of water. Properties in Zone X also show substantial average payouts and a notable average water depth of 7.9 feet, though Zone X_SHADED properties have a negative average water depth. Homeowners in or near these zones, particularly those without a Base Flood Elevation (BFE) or in areas designated as Zone A, should pay close attention to flood risk.

Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.

Read First-Hand Flood Stories from Fresno County

290 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.

Read California flood stories →

Flood Risk Data for Fresno County

Fresno County, California has recorded 344 flood-related events since 1996 according to NOAA's Storm Events Database, including 32 flash floods and 312 river or area floods. The county has received 20 federal disaster declarations, 6 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.

Fresno County Disaster History

FEMA Disaster Declarations (1969–2023)

Disaster Declarations
20
Flood/Coastal Disasters
6
Latest Disaster
Severe Winter Storms, Flooding, Landslides, And Mudslides (2023-03-09)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Fresno County

DeclarationTypeDate
Severe Winter Storms, Flooding, Landslides, And MudslidesFloodMar 9, 2023
Severe Winter Storms, Straight-line Winds, Flooding, Landslides, And MudslidesSevere StormFeb 21, 2023
Severe Winter Storms, Flooding, And MudslidesFloodJan 8, 2023
Severe Winter Storms, Flooding, Landslides, And MudslidesFloodDec 27, 2022
Creek FireFireSep 6, 2020
WildfiresFireSep 4, 2020
Covid-19BiologicalJan 20, 2020
Covid-19 PandemicBiologicalJan 20, 2020
Goose FireFireJul 30, 2016
Severe FreezeFreezingJan 11, 2007

Recorded Flood Events in Fresno County

NOAA Storm Events Database (1996–2025)

Total Flood Events
344
River/Area Floods
312
Flash Floods
32
Total Property Damage
$3.5M
Flood Deaths
2

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Fresno County

TypeDateDamage
FloodDec 24, 20250.00K
FloodNov 15, 20250.00K
FloodFeb 13, 20250.00K
FloodFeb 6, 20250.00K
FloodNov 26, 20240.00K
FloodDec 24, 20240.00K
FloodFeb 19, 20240.00K
FloodMar 6, 20240.00K
FloodFeb 4, 20240.00K
FloodFeb 27, 20230.00K

Fresno County Flood History

Flood — Dec 24, 2025

A strong atmospheric river moved through California late on December 23rd into the afternoon of December 24th. Very heavy rainfall and strong gusty winds were observed across most of our County Warning Area (CWA). The heaviest rainfall was observed in Fresno, Mariposa and Kern County. Rainfall ranged from around half inch up to four inches in some localized areas. Flash flooding occurred mainly...

Flood — Nov 15, 2025

A prolonged period with significant precipitation occurred on the 13th until the 17th due to a series of systems that brought abundant moisture. Many San Joaquin Valley locations received around 1-3 inches of rain for that period, and the Sierra Nevada foothills, as well as the Sierra Nevada below the snow line, received around 3-6 inches. Snow levels varied from around 8,000 to 9,500 feet from...

Flood — Feb 13, 2025

A large upper low pressure system and associated trough moved across California on February 13 bringing widespread moderate to heavy precipitation to the area along with damaging wind gusts. Several reports of nuisance flooding were reported on February 13. There were also several reports of trees and power lines knocked down by strong wind gusts as several station reported gusts above 60 mph a...

Flood — Feb 6, 2025

A low pressure system moved inland out of the Pacific Ocean into central California during the morning of February 6. As a result, widespread precipitation spread across the area during the late morning and early afternoon hours. Much of the Sierra Nevada picked up between 0.75 and 1.50 inches of liquid precipitation with the snow level rising from 6500 feet on the morning of February 6 to arou...

Flood — Nov 26, 2024

A large upper low pressure system which had remained nearly stationary off the Pacific Northwest coast for several days moved inland across the Pacific Northwest on November 26. This low pulled up a surge of deep moisture into central California between the evening of November 25 and the evening of November 26. This atmospheric river type system brought moderate to locally heavy precipitation t...

Source: NOAA National Weather Service Storm Events Database.

Fresno County NFIP Flood Insurance Claims

Total Claims Filed
239
Total Paid Out
$2.1M
Avg Claim
$14,816
Avg Water Depth
7.0 ft

Claims by Flood Zone

A Zones (High Risk)
107
X Shaded (500-yr)
25
X Unshaded (Low)
39

Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).

Flood Zone Types in Fresno County

FEMA assigns flood zone designations to areas in Fresno County, California:

AE High Risk — 1% annual chance of flooding. Insurance required.

VE Very High Risk — Coastal flooding with wave action.

X (Shaded) Moderate Risk — 500-year floodplain.

X Low Risk — Outside major floodplains.

View all flood zone types →

Flood Insurance in Fresno County

Properties in Fresno County, California that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.

Even outside high-risk zones, flood insurance is recommended. From 2014 to 2024, nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area.

Visit FloodSmart.gov to find an agent and get a quote.